50816137 has 2 divisors, whose sum is σ = 50816138. Its totient is φ = 50816136.

The previous prime is 50816081. The next prime is 50816141. The reversal of 50816137 is 73161805.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42458256 + 8357881 = 6516^2 + 2891^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50816137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50816099 and 50816108.

It is not a weakly prime, because it can be changed into another prime (50816147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25408068 + 25408069.

It is an arithmetic number, because the mean of its divisors is an integer number (25408069).

Almost surely, 2^50816137 is an apocalyptic number.

It is an amenable number.

50816137 is a deficient number, since it is larger than the sum of its proper divisors (1).

50816137 is an equidigital number, since it uses as much as digits as its factorization.

50816137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 50816137 is about 7128.5438204447. The cubic root of 50816137 is about 370.3967912721.

The spelling of 50816137 in words is "fifty million, eight hundred sixteen thousand, one hundred thirty-seven".